These are the packages that would be merged, in order:

Calculating dependencies ... done!
Dependency resolution took 1.04 s (backtrack: 0/20).

[ebuild  N     ] sys-apps/msr-tools-1.3_p20170320::gentoo  6 KiB
[ebuild  N     ] net-misc/xmrig-6.26.0::gentoo  USE="ssl -donate -hwloc -opencl" CPU_FLAGS_X86="sse4_1" 2427 KiB

Total: 2 packages (2 new), Size of downloads: 2433 KiB